The site is to help learners understand how the certain input parameters affect a transistor’s amplification results through simulation. The simulation program is a Java applet based on JavaTHESIS system developed by R. Min in the Faculty of Educational Science and Technology at the University of Twente.

The site mainly consists of three parts: the first part What Is Transistor introduces some basic knowledge on transistor; the second part Conceptual Model describes the conceptual model for the simulation; the third part Simulation in Java Applet presents the simulation program which learners can manipulate.

By studying the content about transistor and the conceptual model, and interacting with the simulation program, at the end of learning, learners should:

1. Have basic knowledge on what is transistor (the construction of npn and pnp transistors);

2.  Have basic knowledge on the simulation model (the basic electronic devices included in the model);

3. Know how to manipulate the simulation program (changing the values of the input parameters);

4. Know how to interpret the simulation results (the simulation curves and the values of the output variables).